Roald Dahl -The Magic Finger

Living next door to the Greggs, a family that hunts ducks for fun, is an eight-year-old girl (who is never named) possessing a very special gift - a magic finger, which she uses to shrink the Greggs and give them bird's wings. Furthermore, while the Greggs have to endure this challenge, their house is taken over by four human-size ducks with arms! The ducks take guns and threaten to shoot Greggs, wanting revenge on them for hunting their children only the day before. The Greggs promise not to hunt any more and are turned back. The next day, the girl goes to their house and finds the family smashing their guns and setting up graves for the birds that they killed. Not only that, but the Greggs have changed their name to Egg in honor of their feathered friends. The girl hears a gun fire as a neighbouring family, the Coopers, start shooting. Running in that direction, she shouts back to the Greggs/Eggs that Mr. Cooper and his family will be nesting in the trees that night...

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Audio kindly added by sahand, thank you!